A new report claims that Samsung is working on a tri-fold smartphone that will launch before the end of this year.

And, for yet another year, only the latter two companies released a flip phone here, with the Galaxy Z Flip 6 and this year's Moto Razr+ building on their predecessors to deliver pretty excellent ...

The latest iteration of flip phones with foldable screens has come a long way four years, improving in design, durability and features while dropping in price – the new Razr starts at just $700.